Aircraft



FIG. 1 is a top, front and side perspective view of an aircraft showing my new design;

FIG. 2 is a top, rear and side perspective view thereof;

FIG. 3 is a bottom, rear and side perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a side elevational view thereof from the left of FIG. 4, the side elevational view from the right of FIG. 4 being the mirror image thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for an aircraft, as shown and described. 